|Publication number||US7070587 B2|
|Application number||US 10/170,821|
|Publication date||Jul 4, 2006|
|Filing date||Jun 13, 2002|
|Priority date||Feb 24, 1999|
|Also published as||US20020177806|
|Publication number||10170821, 170821, US 7070587 B2, US 7070587B2, US-B2-7070587, US7070587 B2, US7070587B2|
|Inventors||Kevin C. Meier, Raymond O. Bodicky, Peter Von Dyck, Glenn Fournie, Alan Ranford|
|Original Assignee||Sherwood Services Ag|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (14), Referenced by (20), Classifications (18), Legal Events (3)|
|External Links: USPTO, USPTO Assignment, Espacenet|
This application is a continuation of Ser. No. 09/503,400 filed Feb. 14, 2000 now abandoned, which is a continuation-in-part of Ser. No. 09/257,164 filed Feb. 24, 1999, now U.S. Pat. No. 6,045,536.
1. Field of the Invention
The present invention relates to a device for use with gastrointestinal-type tubes, and more particularly to a securing arrangement for use with low profile gastrointestinal feeding systems. More specifically, the present invention relates to a securing device for securing a feeding set to a low profile gastrostomy tube.
2. Prior Art
Low profile gastrointestinal feeding systems are frequently used for long term tube fed patients who are ambulatory and/or in a combative state and require some type of gastrostomy device to provide nutrition to the stomach when a patient is unable to take nutrition orally. These gastrointestinal systems comprise a feeding set attached to a source of nutrition at one end and a low profile gastrostomy tube connected at the other end. The low profile gastrostomy tube is normally inserted through an established, matured stoma formed through the patient's abdominal and stomach walls utilizing an internal retention member deployed inside a patient's stomach or other visceral organ to anchor the free end of the gastrostomy tube thereon. The internal retention member can be either an inflatable balloon or, other retention means, such as a plurality of flexible retaining arms for affixing a hollow organ of choice, i.e. the stomach, against the posterior abdominal wall of a patient. The hollow organ is so affixed by capturing the organ wall and abdominal wall between the internal retention member secured inside the organ and an external retention member seated on the outer abdominal wall of a patient with a hollow tubular member attached between the respective retention members. The tubular member provides a fluid pathway between the feeding set connected to a source of nutrition and the internal retention member disposed inside the patient. Unfortunately, fluid flow communication between the source of nutrition and the patient may be interrupted by inadvertent removal of the feeding tube from the external retention member by a patient in a combative state or a person passing too close to the feeding set, thereby creating a critical situation where the patient may starve from lack of nutrition.
Therefore, there appears a need in the art for a securing device that securely engages the feeding set to the external retention member of a low profile gastrostomy tube so that inadvertent removal of the feeding set is prevented.
Accordingly, the primary object of the present invention is to provide a securing device for securely engaging a feeding set to a low profile gastrostomy tube.
Another object of the present invention is to provide a securing device that secures a feeding set to a low profile gastrostomy tube such that the feeding set cannot be inadvertently removed from the gastrostomy tube without first physically removing the securing device from either the feeding set or the low profile gastrostomy tube.
A further object of the present invention is to provide a securing device adapted to simultaneously engage and secure both the feeding set and the low profile gastrostomy tube.
Another further object of the present invention is to provide a securing device for use with a low profile gastrostomy tube having an inflatable balloon or a plurality of retaining arms for anchoring the gastrostomy tube inside a visceral organ.
In brief summary, the present invention overcomes and substantially alleviates the deficiencies in the prior art by providing a device designed to pass through an opening formed the wall of the abdomen and stomach or other visceral organ of a patient. The device comprises a feeding set for transporting fluid to a patient and a gastrostomy tube for providing such fluid directly to the patient's visceral organ. The feeding set includes an elongated tube having one end attached to a source of fluid and the other end attached to a connection member engaged and in fluid flow communication with the gastrostomy tube. The gastrostomy tube includes an external retention member for seating the gastrostomy tube on the outer abdominal wall of a patient and an internal retention member disposed inside a patient's stomach or other visceral organ for anchoring the gastrostomy tube therein. The external retention member is in fluid flow communication with the internal retention member through a primary lumen that forms part of a fluid pathway between a source of fluid and the gastrostomy tube. The device further comprises a securing member having opposing portions and being slidably engaged along the elongated tube with one of the opposing portions being engageable with the connection member and the other of the opposing portions being engageable with the external retention member, whereby the connection member cannot be disengaged from the gastrostomy tube without first detaching one of the opposing portions of the securing member from either the connection member or the gastrostomy tub. The securing member of the present invention is disclosed in applicant's co-pending patent application Ser. No. 09/257,164 entitled “Securing Device for a Low Profile Gastrostomy Tube” which is herein incorporated by reference.
These and other objects of the present invention are realized in the preferred embodiment of the present invention, described by way of example and not by way of limitation, which provides for a securing member for a low profile gastrointestinal feeding system that prevents inadvertent removal of the feeding set from the low profile gastrostomy tube.
Additional objects, advantages and novel features of the invention will be set forth in the description which follows, and will become apparent to those skilled in the art upon examination of the following more detailed description and drawings in which like elements of the invention are similarly numbered throughout.
Referring to the drawings, the preferred embodiment of the low profile gastrointestinal feeding system according to the present invention is illustrated and generally indicated as 10 in
External retention member 18 further includes a valve member 48 spaced below undercut 74 and across primary lumen 79 for sealing off primary lumen 79 to fluid flow. Valve member 48 comprises an impermeable barrier having one or more slits 78 which provide an anti-reflux function that prevents fluid from flowing back through valve member 48 when the connection member 15 is disengaged from external retention member 18. Affixed or integrally formed with the external retention member 18 is a tethered cap 62 which includes a tether 68 that attaches cap member 64 to external retention member 18. Cap member 64 has an annular flange 66 adapted to engage undercut 74 when sealing opening 81 of primary lumen 79 to fluid flow. Annular undercut 74 is spaced above and concentrically around valve member 48. As further shown, top surface 33 of external retention member 18 also includes a retaining ring 72 which surrounds valve member 48 and provides a protective reinforcing structure around valve member 48 against manual deformation.
A bottom view of the external retention member 18 is illustrated in
The method for engaging the securing member 12 to both the connection member 15 and the external retention member 18 once the low profile gastrostomy tube 16 has been properly deployed within the patient is illustrated in the sequence of positions shown in
In the engaging position shown in
In the post engagement position of securing member 12 shown in
Preferably, the securing member 12 is injection molded from polypropylene or other suitable medical-grade plastic that possesses sufficient flexibility and durability. However, in the alternative, stainless steel or other metal suitable for medical use is also felt to fall within the scope of the present invention.
Although the gastrostomy tube 16 of the present invention discloses an inflatable balloon member 23 as one means for anchoring gastrostomy tube 16 inside a visceral organ of a patient, other means of retention are contemplated by the present invention. For example, internal retention member 20 may comprise flexible retaining arms 26 in lieu of an inflatable balloon 23. As illustrated in
It should be understood from the foregoing that, while particular embodiments of the invention have been illustrated and described, various modifications can be made thereto without departing from the spirit and scope of the present invention. Therefore, it is not intended that the invention be limited by the specification; instead, the scope of the present invention is intended to be limited only by the appended claims.
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|U.S. Classification||604/533, 604/174, 604/910|
|International Classification||A61M25/18, A61M5/32, A61M25/02, A61M39/10, A61M25/16, A61J15/00, A61M39/00|
|Cooperative Classification||A61J15/0065, A61J15/0042, A61J15/0026, A61M25/02, A61M2025/0233, A61J15/0015, A61M39/1011|
|Aug 12, 2008||AS||Assignment|
Owner name: COVIDIEN AG, SWITZERLAND
Free format text: CHANGE OF NAME;ASSIGNOR:SHERWOOD SERVICES AG;REEL/FRAME:021371/0142
Effective date: 20070309
|Jan 4, 2010||FPAY||Fee payment|
Year of fee payment: 4
|Jan 6, 2014||FPAY||Fee payment|
Year of fee payment: 8